Home / 13,529,134.82-18,670,389.46-7,417,550.18

Finding the Fourth Proportional to 13,529,134.82, 18,670,389.46 and 7,417,550.18

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Solution

The fourth proportional to 13,529,134.82, 18,670,389.46 and 7,417,550.18 is: 10,236,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529,134.82 : 18,670,389.46 = 7,417,550.18 : x
  2. Step 2: Convert to fraction form
    13,529,134.82/18,670,389.46 = 7,417,550.18/x
  3. Step 3: Cross multiply
    13,529,134.82x = 18,670,389.46 × 7,417,550.18
  4. Step 4: Simplify right side
    13,529,134.82x = 138,488,550,699,693.11
  5. Step 5: Solve for x
    x = 138,488,550,699,693.11/13,529,134.82
  6. Step 6: Final answer
    x = 10,236,319.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.